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Consolidated Statements of Operations and Comprehensive Income (Loss) (Parentheticals) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Amortization of Intangible Assets $ 402 $ 497
Research and Development Expense [Member]
   
Amortization of Intangible Assets 223 260
Selling, General and Administrative Expenses [Member]
   
Amortization of Intangible Assets $ 179 $ 237